Decommissioned 15 November 1945.
Placed in service, in reserve, on 24 January 1947, at Philadelphia Navy Yard Reserve Basin for service as dockside training submarine for Submarine Naval Reservists at the Philadelphia Navy Yard.
Stricken 26 July 1956.
Sold 28 June 1958 to be broken up for scrap to A. G. Schoonmaker Inc., New York City, New York.

16 Mar 1942USS Permit (Lt.Cdr. W.G. Chapple) delivers ammunition to Corregidor and evacuates some 40 officers and men. Permit also had the 7 crewmen of the motor torpedo boat PT 32 on board.
Permit was so overcrowded the Commanding Officer was actually reprimanded upon arrival in Australia because of endangering his ship.

24 Sep 1943USS Permit (Lt.Cdr. Carter Lowe Bennett) ended her 10th war patrol when she returns to base at Pearl Harbor. Her 11th war patrol was in the Caroline Islands area from early January 1944 to mid-March 1944. Her 12th war patrol was in the same area where she was on lifeguard duty.

21 Sep 1944USS Permit (Lt.Cdr. D.A. Scherer) left Brisbane for her 14th and final war patrol. Once again she was assigned to lifeguard duty off Truk.

11 Nov 1944USS Permit (Lt.Cdr. D.A. Scherer) ended her 14th and last war patrol at Pearl Harbor. USS Permit was now assigned to training duties. She left Pearl Harbor bound for the U.S. east coast on 29 January 1945.